9
1.2 INCURVE HARNESS
An alternate S9 Incurve harness is also available. The S9 Incurve harness is the same
as the padded harness with the pneumatics mounted on the same backframe. The
difference being the Incurve harness includes a minimum of textile parts making the
Incurve harness easy to clean, robust and light weight - without compromising comfort.
1.3 AIR SUPPLY
The compressed air supply utilize lightweight aluminum/composite cylinders wrapped
in berglass, kevlar glass or carbon ber available in 30, 45 and 60 minute
duration*.
The cylinders are tted with a valve which includes a built-in pressure gauge. The
cylinder valve is equipped also with a burst disc, designed to rupture and let air out if
the cylinder should be inadvertently overcharged.
CAUTION! SHOULD THE CYLINDER BE EXPOSED TO A PRESSURE THAT CAUSES THE BURST DISC TO RUPTURE, IT
MUST BE RETURNED TO AN AUTHORIZED SPIROMATIC S SERVICE CENTER FOR INSPECTION AND REPAIR.
Duration* Charging pressure psi Approx. content of. free air in cu. ft
60 min. 4500 87
45 min. 4500 66
30 min. 4500 45
30 min. 2216 45
* Duration tested to NIOSH standards.
LIMITATION! APPROVED ONLY WHEN COMPRESSED AIR RESERVOIR IS FULLY CHARGED WITH AIR MEETING THE
REQUIREMENTS OF THE COMPRESSED GAS ASSOCIATION SPECIFICATION G-7-1 FOR TYPE 1, GRADE D AIR
OR HIGHER QUALITY, AS WELL AS MEETING A DEW POINT LEVEL OF -65°F (-54°C) OR DRYER (24 PPM V/V OR
LESS), AND A MAXIMUM PARTICULATE LEVEL OF 5 MG/M3 AIR. THE CONTAINER SHALL MEET APPLICABLE DOT
SPECIFICATIONS.
CAUTION! DURATION IS DEPENDENT ON THE USER’S EXERTION, PHYSICAL AND EMOTIONAL CONDITION, AS
WELL AS ON ENVIRONMENTAL PRESSURE AND WHETHER THE CYLINDER WAS FULLY CHARGED AND WHETHER
THE FACEPIECE FITS. DURATION CAN VARY 50 % OR MORE.
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